<?php
/*******************************************************************************

    Copyright 2014 Whole Foods Co-op

    This file is part of CORE-POS.

    IT CORE is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    IT CORE is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    in the file license.txt along with IT CORE; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*********************************************************************************/

/**
  @class SuperMinIdViewModel
*/
class SuperMinIdViewModel extends ViewModel
{

    protected $name = "superMinIdView";
    protected $preferred_db = 'op';

    protected $columns = array(
    'superID' => array('type'=>'INT'),
    'dept_ID' => array('type'=>'INT'),
    );

    protected $unique = array('dept_ID');

    public function definition()
    {
        return '
            SELECT MIN(superID) AS superID,
                dept_ID
            FROM superdepts
            GROUP BY dept_ID
        ';
    }

    public function doc()
    {
        return '
**View**

Depends on:
* superdepts

Use:
This view exists solely because MySQL won\'t let
me use a subquery in the FROM clause of a VIEW.
        ';
    }
}

